#63797E#63797E

#63797E is a mid, muted cyan. Relative luminance 0.178; OKLCH L 56.0% C 0.027 H 213.0°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#63797E
RGB	rgb(99, 121, 126)
HSL	hsl(191, 12%, 44%)
HSV	hsv(191, 21%, 49%)
CMYK	cmyk(21.4%, 4%, 0%, 50.6%)
CIE-LAB	lab(49.29, -6.82, -5.40)
CIE-LCH	lch(49.29, 8.70, 218.38°)
OKLab	oklab(56.03% -0.0225 -0.0146)
OKLCH	oklch(56.03% 0.027 213)
XYZ	xyz(15.7478, 17.8332, 22.3471)
Luminance	0.1783 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63797E #7E6863

analogous

#637E76 #63797E #636C7E

triadic

#63797E #7E6379 #797E63

tetradic

#63797E #76637E #7E6863 #6C7E63

square

#63797E #76637E #7E6863 #6C7E63

split-complementary

#63797E #7E636C #7E7663

monochromatic

#2D3739 #48585C #63797E #82989D #A4B4B7

Accessibility & contrast

On white

4.60

#63797E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#63797E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #63797E

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63797E	#FFFFFF	#000000	##FFFFFF
##63797E	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#75777E

Deuteranopia (green-blind)

#70747E

Tritanopia (blue-blind)

#5B7B7A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #63797e;
/* rgb */ color: rgb(99, 121, 126);
/* oklch */ color: oklch(56.0% 0.027 213.0);

Tailwind

colors: {
  custom: {
    50: '#909fa3',
    500: '#63797e',
    950: '#000000',
  },
}

SCSS

$custom: #63797e;
$custom-light: #909fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#63797e",
  "rgb": {
    "r": 99,
    "g": 121,
    "b": 126
  },
  "hsl": {
    "h": 191.111,
    "s": 12,
    "l": 44.118
  },
  "oklch": {
    "l": 0.56026,
    "c": 0.02687,
    "h": 213
  },
  "luminance": 0.17834
}

Semantic roles & 50–950 ramp

primary

#63797E

secondary

#A79996

accent

#7F73B5

background

#F8F9FA

surface

#F0F2F3

border

#CBCCCD

text

#0C0E0F

muted

#7D7E7F

Preview Lab

Preview with #63797E

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →